Thermo Fisher Scientific Alpha pH 2000 - Manual (Page 9)

1.3 Safety instructions
− The Alpha pH 2000 should be installed and operated only by
personnel familiar with the transmitter and who are qualified for
such work.
− A defective controller must neither be installed nor put into
service.
− The Alpha pH 2000 must only be operated under the specified
operating conditions (see section 8).
− The Alpha pH 2000 must not be repaired by the customer.
− The Alpha pH 2000 must only be opened to replace the unit fuse
or to set the jumper for Pt100/Pt1000 temperature sensor. This
work must be carried out only by personnel familiar with the
transmitter and who are qualified for such work. Make sure the
mains cable is separated from the power supply before opening
the unit.
− No modifications to the Alpha pH 2000 are allowed. The
manufacturer/supplier accepts no responsibility for damage
caused by unauthorised modifications. The risk is borne entirely
by the user.
1.4 Putting out of service / Correct disposal of the unit
Putting out of service
• First disconnect the unit from the mains, then undo all electrical
connections.
• Remove the unit from the wall / panel.
Correct disposal of the unit
When the transmitter is finally taken out of service, observe the local
environmental regulations for correct disposal or send the transmitter to your
local Eutech Instruments distributor, they will take care of proper disposal.